Girl & boy name
Spencer
Spencer holds the #360 spot on the 2025 list of the most popular boy names in the U.S. That amounts to 908 newborn boys in a single year. The name has been cooling off, slipping from #317 in 2020 to #360 today. Its strongest year on record was 1998 (#84 nationally, 4,619 newborns), in a data series reaching back to 1880. The name's biggest fan base is in South Dakota (#145 there in 2025).
Rankings
Spencer popularity, 1880–2025
Where Spencer is most popular
Uniqueness score
A familiar pick that most people will recognize instantly. Based on how many babies per birth were named Spencer in the most recent year of SSA data.
Spencer as a girl name
As of 2025, Spencer ranks #1022 among American girls' names, according to Social Security records. 245 girls received the name that year. The ranking has held remarkably steady over the last five years. SSA records for Spencer go back to 1922; the peak came in 2017 at #978, with 267 babies named that year. Geographically, it's strongest in Oklahoma, where it ranks #437 among girl names.
Where Spencer (girls) is most popular
Uniqueness score
Well known, but far from crowded — the middle of the field. Based on how many babies per birth were named Spencer in the most recent year of SSA data.